The Supreme Council of National Defence (Consiliul Suprem de Apărare a Ţării; acronym: CSAT) is the autonomous administrative authority in Romania, invested by the Constitution with the task of organizing coordinating, in a unitary fashion, the activities related to the defence of the country and national security.

The activity of the Council is examined by the Parliament. Annually, not later than the first trimester of the following year, if and when asked by the special committees of the Parliament, and also whenever necessary, the Council presents, in a joint session of the Chamber of Deputies and the Senate, its report on activities it has developed.